Posted by AlecStaar
Two ideas ontop of the other I gave you:
http://www.ntcompatible.com/forums/viewtopic.php?t=22652&sid=4c7a1e8524b96c35c0019f843320d2f5
FIRST run a chkdsk.exe /f on the disk pci.sys is resident on! Usually same disk your OS is on under C:\WINDOWS\SYSTEM32\DRIVERS... this is where MOST drivers are stashed!
It may be in fact, corrupted! And, boottime checkdisk on your %WinDir% homedrive usually C:, can fix it!
SECOND, check the registry where drivers initialize and be sure its pointing pci.sys to the RIGHT place to load it at OS boottime (I imagine because it deals in interrupts & hardware guidance this driver is NOT PnP and is boottime initialized).
Also, use Computer Management from Control Panel -> Administrative Tools... Go to Device Mgr. & use its menu for VIEW and see the left hand side pane when Hidden Non-PnP drivers tree item appears and check the state of the pci.sys driver (if it appears there, if not see it elsewhere there as it should be listed!)...
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APK
P.S.=> Also see here, I am on you here but will be out for next 9 hours at work, something for you to try here-> http://www.ntcompatible.com/forums/viewtopic.php?t=22652&sid=5a8719eaf8e3c65f3d34fefc297f5879 apk